Traci McKindra celebrates after singing the anthem at the fair in 2008. / Register file photo

Are you one of the state’s best performers of “The Star Spangled Banner”? Then prove it in our annual Oh Say Can You Sing? contest.

To enter, upload a video — a solo or a duet, without musical accompaniment and not longer than 3 minutes — by noon on July 14 to DesMoinesRegister.com/anthemcontest. Then blast out demands to all your social media friends to vote for your video starting July 19.

The top vote-getter (must be 13 or older to enter) will sing the national anthem at the opening ceremonies of the 2013 Iowa State Fair on Aug. 8, plus get a pair of tickets to a Grandstand performance and two tickets to enter the fair.

Ten first-prize winners also will sing “The Star Spangled Banner” one day of the fair and get entry into the event.